/**
 * http://usejsdoc.org/
 */
var fs = require("fs");
var zlib = require("zlib");
//压缩input.txt文件为input.txt.gz
fs.createReadStream('input.txt').pipe(zlib.createGzip())
	.pipe(fs.createWriteStream('input.txt.gz'));
console.log("文件压缩完成。");